Home / 1,940,990.12-2,678,530.46-1,057,946.88

Finding the Fourth Proportional to 1,940,990.12, 2,678,530.46 and 1,057,946.88

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Solution

The fourth proportional to 1,940,990.12, 2,678,530.46 and 1,057,946.88 is: 1,459,947.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,990.12 : 2,678,530.46 = 1,057,946.88 : x
  2. Step 2: Convert to fraction form
    1,940,990.12/2,678,530.46 = 1,057,946.88/x
  3. Step 3: Cross multiply
    1,940,990.12x = 2,678,530.46 × 1,057,946.88
  4. Step 4: Simplify right side
    1,940,990.12x = 2,833,742,937,852.23
  5. Step 5: Solve for x
    x = 2,833,742,937,852.23/1,940,990.12
  6. Step 6: Final answer
    x = 1,459,947.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.